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Search for Long-Lived Massive Charged Particles in 1.96 TeV p(p)over-bar Collisions

Aaltonen, T; Adelman, J; Akimoto, T; Gonzalez, BA; Amerio, S; Amidei, D; Anastassov, A; ... CDF Collaboration; + view all (2009) Search for Long-Lived Massive Charged Particles in 1.96 TeV p(p)over-bar Collisions. PHYS REV LETT , 103 (2) , Article 021802. 10.1103/PhysRevLett.103.021802. Green open access

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Abstract

We performed a signature-based search for long-lived charged massive particles produced in 1.0 fb(-1) of p (p) over bar collisions at root s 1.96 TeV, collected with the CDF II detector using a high transverse-momentum (p(T)) muon trigger. The search used time of flight to isolate slowly moving, high-p(T) particles. One event passed our selection cuts with an expected background of 1.9 +/- 0.2 events. We set an upper bound on the production cross section and, interpreting this result within the context of a stable scalar top-quark model, set a lower limit on the particle mass of 249 GeV/c(2) at 95% C. L.

Type: Article
Title: Search for Long-Lived Massive Charged Particles in 1.96 TeV p(p)over-bar Collisions
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.103.021802
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.103.021802
Language: English
Additional information: © 2009 The American Physical Society
Keywords: DYNAMICAL SUPERSYMMETRY BREAKING, HADRON COLLIDERS, DETECTOR
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery-pp.ucl.ac.uk/id/eprint/131726
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